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Postings from December 2000
>On Fri, 15 Dec 2000, Tom Christiansen wrote: >> >As for special-case rules, I believe that my proposed modification would >> >REMOVE a special-case semantic rule, at the cost of added complexity at the >> >implementation level. >> >> What is this alleged "special-case rule" you are talking about? >> There is no such thing. None. When you write /pat/, it means to >> find the first such pattern. There is no special case here. >The special case is "as long as it has the earliest starting position". >There may be many, many possible matches for a regexp in a given string, >especially with an expression as inclusive as ".*". You want to change things from "find a match", which has the obviously deterministic semantics of finding the first match, and alter that to mean "find all possible matches; now, amongst those...". This is much more complicated, at many levels. You have yet to address my long mail to you. You have yet to read MRE. >So, you have to apply some disambiguating rules to identify which matches >are "interesting" enough to be worth paying attention to. There is no ambiguity. Short-circuiting it not ambiguity. Stopping when you have an answer is not ambiguity. You are mistaken. --tom